Fixed If GetHashCode is negative
Merge pull request #58 from samlii/master

Fix IndexOutOfBounds Potential
Updated changelog
Prepared version number for 1.7.0 release
Updated website to ASP.NET MVC 3

with Razor templates
Added links to various DotLiquid resources
Missing changes from previous commit
Temporarily removed customErrors to find bug
Set Build Action to "Content" for MVC views
Defines a test for the block definition while inheriting bug.
One small change to fix the nested block definition in template inheritance bug.
Fix whitespace
Updated changelog
Adds startswith and endswith conditions for arrays and strings.
Updated changelog
Better fix for when WeakTable keys return negative hash codes
Implemented ERB-like trimming for leading whitespace.

Implements #64.
Got bug number wrong in changelog
Reformatted changelog using markdown
Updated changelog formatting